Sure, it hurts it. But you did see the pitching market at the deadline right? Mid tier/borderline bums, like Jack Flaherty, were netting multiple top 20 prospects. Guys on Stromans level were getting 50FV prospects.
When healthy, Glasnow is one of the best in the game, key word healthy. The Rays will have no shortage of suitors willing to trade for him and the Cubs top 10 is full of mid tier prospects. We talk about the Cubs top 10 like its sacred ground, but you could probably scramble 2-15 in any order you want.